My problem with all of these sorts of things is the idea of who determines “harmful.” Because that’s a term of such ambiguity that it could literally mean anything. “Covid came from a Chinese lab” — “harmful because it causes ‘racism’” “Pakistani grooming gangs in Rotherham are targeting young British girls” — harmful because it could promote social unrest. “Eating meat can improve metabolic health” — harmful because…
Incidentally, someone tried to edit the Wikipedia article to instead be about "moral panic".